Tire tread



FIG. 1 is a perspective view of a tire tread, it being understood that the pattern is repeated uniformly throughout the circumference of the tread;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view thereof, the opposite side elevational view being a mirror image thereof; and,

FIG. 4 is an enlarged fragmentary front view thereof.

The broken line showing of the tire sidewall in the drawings is for illustrative purposes only and forms no part of the claimed design.

The dark stippled surface shading represents the recessed portion of the tread grooves, having a depth as best shown along the left edge of the view of FIG. 1. 

The ornamental design for a tire tread, as shown and described. 